1PC NEW XH-M173 microphone amplifier board

1PC NEW XH-M173 Karaoke reverberation board Microphone amplifier board #YT

1PC NEW XH-M173 microphone amplifier board

1PC NEW PT2399 Microphone Reverb Board

1PCS PT2399 Microphone Reverb Plate Reverberation Board No Preamplifier DC 6-15V

1PC NEW PT2399 Karaoke moving circle amplifying board singing reverb board #YT

10pcs PT2399 CD2399GP audio digital reverb circuit Manifold IC DIP

1PC NEW PT2399 Karaoke moving circle amplifying board singing reverb board #YT